35 U.S.C. 102 — Conditions for patentability; novelty

Title 3535 U.S.C.Statutes & rulesCited by 243 §§

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35 U.S.C. · MPEP Appendix L (Revision 01.2024)

35 U.S.C. 102 — Conditions for patentability; novelty.

[Editor Note: Applicable to any patent application subject to the first inventor to file provisions of the AIA (see 35 U.S.C. 100 (note) ). See 35 U.S.C. 102 (pre-AIA) for the law otherwise applicable.]

(1) the claimed invention was patented, described in a printed publication, or in public use, on sale, or otherwise available to the public before the effective filing date of the claimed invention; or

(2) the claimed invention was described in a patent issued under section 151 , or in an application for patent published or deemed published under section 122(b) , in which the patent or application, as the case may be, names another inventor and was effectively filed before the effective filing date of the claimed invention.

(A) the disclosure was made by the inventor or joint inventor or by another who obtained the subject matter disclosed directly or indirectly from the inventor or a joint inventor; or

(B) the subject matter disclosed had, before such disclosure, been publicly disclosed by the inventor or a joint inventor or another who obtained the subject matter disclosed directly or indirectly from the inventor or a joint inventor.

(A) the subject matter disclosed was obtained directly or indirectly from the inventor or a joint inventor;

(B) the subject matter disclosed had, before such subject matter was effectively filed under subsection (a)(2), been publicly disclosed by the inventor or a joint inventor or another who obtained the subject matter disclosed directly or indirectly from the inventor or a joint inventor; or

(C) the subject matter disclosed and the claimed invention, not later than the effective filing date of the claimed invention, were owned by the same person or subject to an obligation of assignment to the same person.

(1) the subject matter disclosed was developed and the claimed invention was made by, or on behalf of, 1 or more parties to a joint research agreement that was in effect on or before the effective filing date of the claimed invention;

(2) the claimed invention was made as a result of activities undertaken within the scope of the joint research agreement; and

(3) the application for patent for the claimed invention discloses or is amended to disclose the names of the parties to the joint research agreement.

(1) if paragraph (2) does not apply, as of the actual filing date of the patent or the application for patent; or

(2) if the patent or application for patent is entitled to claim a right of priority under section 119 , 365(a) , 365(b) , 386(a) , or 386(b) , or to claim the benefit of an earlier filing date under section 120 , 121 , 365(c) , or 386(c) based upon 1 or more prior filed applications for patent, as of the filing date of the earliest such application that describes the subject matter.

(Amended July 28, 1972, Public Law 92-358, sec. 2, 86 Stat. 501; Nov. 14, 1975, Public Law 94-131, sec. 5, 89 Stat. 691; subsection (e) amended Nov. 29, 1999, Public Law 106-113, sec. 1000(a)(9), 113 Stat. 1501A-565 (S. 1948 sec. 4505); subsection (g) amended Nov. 29, 1999, Public Law 106-113, sec. 1000(a)(9), 113 Stat. 1501A-590 (S. 1948 sec. 4806); subsection (e) amended Nov. 2, 2002, Public Law 107-273, sec. 13205, 116 Stat. 1903; amended Sept. 16, 2011, Public Law 112-29, sec. 3(b), 125 Stat. 284, effective March 16, 2013.*; subsection (d)(2) amended Dec. 18, 2012, Public Law 112-211, sec. 102(2) (effective May 13, 2015), 126 Stat. 1531.))

(Public Law 112-29, sec. 14, 125 Stat. 284 (Sept. 16, 2011) provided that tax strategies are deemed to be within the prior art (see AIA § 14 ).)

*NOTE: The provisions of 35 U.S.C. 102(g) , as in effect on March 15, 2013, shall also apply to each claim of an application for patent, and any patent issued thereon, for which the first inventor to file provisions of the AIA apply (see 35 U.S.C. 100 (note) ), if such application or patent contains or contained at any time a claim to a claimed invention to which is not subject to the first inventor to file provisions of the AIA.]

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Prior version

35 U.S.C. 102 (pre-AIA) Conditions for patentability; novelty and loss of right to patent.

[Editor Note: With the exception of subsection (g)*), not applicable to any patent application subject to the first inventor to file provisions of the AIA (see 35 U.S.C. 100 (note) ). See 35 U.S.C. 102 for the law otherwise applicable.]

A person shall be entitled to a patent unless —

(a) the invention was known or used by others in this country, or patented or described in a printed publication in this or a foreign country, before the invention thereof by the applicant for patent, or

(b) the invention was patented or described in a printed publication in this or a foreign country or in public use or on sale in this country, more than one year prior to the date of the application for patent in the United States, or

(d) the invention was first patented or caused to be patented, or was the subject of an inventor’s certificate, by the applicant or his legal representatives or assigns in a foreign country prior to the date of the application for patent in this country on an application for patent or inventor’s certificate filed more than twelve months before the filing of the application in the United States, or

(e) the invention was described in — (1) an application for patent, published under section 122(b) , by another filed in the United States before the invention by the applicant for patent or (2) a patent granted on an application for patent by another filed in the United States before the invention by the applicant for patent, except that an international application filed under the treaty defined in section 351(a) shall have the effects for the purposes of this subsection of an application filed in the United States only if the international application designated the United States and was published under Article 21(2) of such treaty in the English language; or

(f) he did not himself invent the subject matter sought to be patented, or

(g) (1) during the course of an interference conducted under section 135 or section 291 , another inventor involved therein establishes, to the extent permitted in section 104 , that before such person’s invention thereof the invention was made by such other inventor and not abandoned, suppressed, or concealed, or (2) before such person’s invention thereof, the invention was made in this country by another inventor who had not abandoned, suppressed, or concealed it. In determining priority of invention under this subsection, there shall be considered not only the respective dates of conception and reduction to practice of the invention, but also the reasonable diligence of one who was first to conceive and last to reduce to practice, from a time prior to conception by the other.

(Public Law 112-29, sec. 14, 125 Stat. 284 (Sept. 16, 2011) provided that tax strategies are deemed to be within the prior art (see AIA § 14 ).)

*NOTE: The provisions of 35 U.S.C. 102(g) , as in effect on March 15, 2013, shall apply to each claim of an application for patent, and any patent issued thereon, for which the first inventor to file provisions of the AIA apply (see 35 U.S.C. 100 (note) , if such application or patent contains or contained at any time—

(A) a claim to an invention having an effective filing date as defined in section 100(i) of title 35, United States Code, that occurs before March 16, 2013; or

(B) a specific reference under section 120 , 121 , or 365(c) of title 35, United States Code, to any patent or application that contains or contained at any time such a claim.

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